Climate averages 1991–2020
Ciudad Río Bravo weather
in August.
A very hot, moderately wet month: the warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a very hot month in Ciudad Río Bravo: daytime highs average 35.5°C and nights cool to about 25.7°C. By daytime temperature it is the warmest month of the year.
Expect about 44 mm of rain on roughly 8 days, which makes August a moderately wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 03 min on an average August day.
The nearest other city in this atlas is Reynosa (22 km away). In August its highs average 36.1°C, 0.6°C warmer than Ciudad Río Bravo, with 39 mm of rain.
Among the 153 cities listed in Mexico, Ciudad Río Bravo ranks 10th of 153 for the warmest August highs and joint 21st of 153 for the driest August (rainfall, lowest first). The mean August high of those 153 cities is 27.9°C; Ciudad Río Bravo is 7.6°C warmer than that mean.
From August to September, average highs fall by 3.2°C to 32.4°C, and monthly rainfall rises from 44 mm to 94 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Ciudad Río Bravo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 21.9°C12.4°C | 12.4°C | 28 | 5.1 | 10.711 h |
| February | 24.4°C14.4°C | 14.4°C | 24 | 4.6 | 11.311 h |
| March | 27.1°C17.1°C | 17.1°C | 36 | 5.7 | 12.012 h |
| April | 30.2°C20.1°C | 20.1°C | 43 | 5.6 | 12.813 h |
| May | 32.7°C23.2°C | 23.2°C | 47 | 6.7 | 13.413 h |
| June | 34.6°C25.2°C | 25.2°C | 55 | 7.7 | 13.714 h |
| July | 35.2°C25.5°C | 25.5°C | 58 | 6.8 | 13.614 h |
| August, selected | 35.5°C25.7°C | 25.7°C | 44 | 7.9 | 13.113 h |
| September | 32.4°C23.9°C | 23.9°C | 94 | 12.9 | 12.312 h |
| October | 29.9°C20.7°C | 20.7°C | 62 | 7.5 | 11.612 h |
| November | 25.7°C16.5°C | 16.5°C | 37 | 5.9 | 10.911 h |
| December | 22.6°C13.4°C | 13.4°C | 31 | 5.2 | 10.511 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Reynosa in AugustMexico · 22 kmHigh 36.1°C · Low 25.8°C · 39 mm rain
- McAllen in AugustUnited States · 28 kmHigh 35.9°C · Low 25.7°C · 39 mm rain
- Mission in AugustUnited States · 35 kmHigh 36.1°C · Low 25.7°C · 39 mm rain
- Edinburg in AugustUnited States · 36 kmHigh 36.0°C · Low 25.8°C · 39 mm rain
- Heroica Matamoros in AugustMexico · 60 kmHigh 32.7°C · Low 26.1°C · 52 mm rain
- Linares in AugustMexico · 194 kmHigh 34.2°C · Low 22.5°C · 57 mm rain
- Ciudad Benito Juárez in AugustMexico · 204 kmHigh 33.1°C · Low 22.4°C · 48 mm rain
- Ciudad Apodaca in AugustMexico · 211 kmHigh 33.6°C · Low 22.7°C · 31 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Ciudad Río Bravo) is explained once on the Ciudad Río Bravo year overview and on the Sources, method and limits page.